A0012
Bibliography Data
| Title | EXTREMELY METAL-POOR STARS. VIII. HIGH-RESOLUTION, HIGH SIGNAL-TO-NOISE RATIO ANALYSIS OF FIVE STARS WITH [Fe/H]<=-3.5 |
| ADS | J.E.Norris et al.,ApJ, 561, 1034, 2001 |
| Authors | J. E. Norris, S. G. Ryan, T. C. Beers |
List of objects
S: Find this object in SIMBAD
O: Find this object in Other papers
CD-24 17504
Atmospheric data
| Teff : 6070 | log g : 3.6 | vturb : 1.4 |
Chemical Abundances
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|
| Mg I | ... | -2.90+-0.15 | 0.47+-0.15 | 4.68+-0.15 |
| Al I | ... | -4.16+-0.11 | -0.79+-0.11 | 2.31+-0.11 |
| Si I | ... | -3.33+-0.15 | 0.04+-0.15 | 4.22+-0.15 |
| Ca I | ... | -3.13+-0.06 | 0.24+-0.06 | 3.23+-0.06 |
| Sc II | ... | -3.10+-0.16 | 0.27+-0.16 | 0.07+-0.16 |
| Ti I | ... | <-2.93+-0.06 | <0.44+-0.06 | <2.09+-0.06 |
| Ti II | ... | -3.10+-0.14 | 0.27+-0.14 | 1.92+-0.14 |
| V II | ... | <-2.43+-0.15 | <0.94+-0.15 | <1.57+-0.15 |
| Cr I | ... | -3.50+-0.07 | -0.13+-0.07 | 2.17+-0.07 |
| Mn I | ... | -3.70+-0.07 | -0.33+-0.07 | 1.69+-0.07 |
| Fe I | ... | -3.37+-0.11 | ... | 4.13+-0.11 |
| Fe II | ... | -3.39+-0.16 | ... | 4.11+-0.16 |
| Co I | ... | -2.77+-0.19 | 0.60+-0.19 | 2.15+-0.19 |
| Ni I | ... | -3.13+-0.06 | 0.24+-0.06 | 3.12+-0.06 |
| Sr II | ... | <-4.98+-0.11 | <-1.61+-0.11 | <-2.01+-0.11 |
| Y II | ... | <-2.78+-0.15 | <0.59+-0.15 | <-0.54+-0.15 |
| Ba II | ... | <-3.96+-0.14 | <-0.59+-0.14 | <-1.83+-0.14 |
| Eu II | ... | <-1.81+-0.14 | <1.56+-0.14 | <-1.30+-0.14 |
: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)
Binarity
Basic Informations
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1996-08-05 | N/A | ANGLO | 42000 | N/A | N/A | 135.9+-1.03 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
Photometric data
| V : 12.18 | B-V : 0.39 | R-I : 0.310 |
CD-38 245
Atmospheric data
| Teff : 4850 | log g : 1.8 | vturb : 2.1 |
Chemical Abundances
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|
| CH | ... | <-3.98+-0.2 | <0.00+-0.20 | <4.57+-0.2 |
| Mg I | ... | -3.53+-0.09 | 0.45+-0.09 | 4.05+-0.09 |
| Al I | ... | -4.75+-0.23 | -0.77+-0.23 | 1.72+-0.23 |
| Si I | ... | -3.68+-0.21 | 0.30+-0.21 | 3.87+-0.21 |
| Ca I | ... | -3.84+-0.11 | 0.14+-0.11 | 2.52+-0.11 |
| Sc II | ... | -3.90+-0.16 | 0.08+-0.16 | -0.73+-0.16 |
| Ti I | ... | -3.70+-0.14 | 0.28+-0.14 | 1.32+-0.14 |
| Ti II | ... | -3.61+-0.15 | 0.37+-0.15 | 1.41+-0.15 |
| V II | ... | <-3.46+-0.19 | <0.52+-0.19 | <0.54+-0.19 |
| Cr I | ... | -4.63+-0.11 | -0.65+-0.11 | 1.04+-0.11 |
| Mn I | ... | -5.03+-0.14 | -1.05+-0.14 | 0.36+-0.14 |
| Fe I | ... | -3.98+-0.15 | ... | 3.52+-0.15 |
| Fe II | ... | -3.98+-0.25 | ... | 3.52+-0.25 |
| Co I | ... | -3.49+-0.12 | 0.49+-0.12 | 1.43+-0.12 |
| Ni I | ... | -4.10+-0.09 | -0.12+-0.09 | 2.15+-0.09 |
| Sr II | ... | -4.68+-0.16 | -0.70+-0.16 | -1.71+-0.16 |
| Y II | ... | <-5.40+-0.15 | <-1.42+-0.15 | <-3.16+-0.15 |
| Ba II | ... | -4.84+-0.23 | -0.86+-0.23 | -2.71+-0.23 |
| Eu II | ... | <-3.16+-0.18 | <0.82+-0.18 | <-2.65+-0.18 |
: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)
Binarity
Basic Informations
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1997-08-21 | N/A | ANGLO | 42000 | N/A | N/A | 45.9+-1.1 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
Photometric data
| V : 12.00 | B-V : 0.81 | R-I : 0.505 |
BPS CS22172-002
Atmospheric data
| Teff : 4900 | log g : 2.0 | vturb : 2.0 |
Chemical Abundances
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|
| CH | ... | -3.51+-0.2 | 0.10+-0.20 | 5.04+-0.2 |
| Mg I | ... | -3.24+-0.09 | 0.37+-0.09 | 4.34+-0.09 |
| Al I | ... | -4.55+-0.22 | -0.94+-0.22 | 1.92+-0.22 |
| Si I | ... | -3.23+-0.2 | 0.38+-0.20 | 4.32+-0.2 |
| Ca I | ... | -3.47+-0.1 | 0.14+-0.10 | 2.89+-0.1 |
| Sc II | ... | -3.58+-0.16 | 0.03+-0.16 | -0.41+-0.16 |
| Ti I | ... | -3.37+-0.15 | 0.24+-0.15 | 1.65+-0.15 |
| Ti II | ... | -3.25+-0.15 | 0.36+-0.15 | 1.77+-0.15 |
| Cr I | ... | -4.24+-0.1 | -0.63+-0.10 | 1.43+-0.1 |
| Mn I | ... | -4.71+-0.11 | -1.10+-0.11 | 0.68+-0.11 |
| Fe I | ... | -3.61+-0.15 | ... | 3.89+-0.15 |
| Fe II | ... | -3.65+-0.22 | ... | 3.85+-0.22 |
| Co I | ... | -3.04+-0.1 | 0.57+-0.10 | 1.88+-0.1 |
| Ni I | ... | -3.59+-0.1 | 0.02+-0.10 | 2.66+-0.1 |
| Sr II | ... | -4.81+-0.16 | -1.20+-0.16 | -1.84+-0.16 |
| Y II | ... | <-4.07+-0.15 | <-0.46+-0.15 | <-1.83+-0.15 |
| Ba II | ... | -4.77+-0.22 | -1.16+-0.22 | -2.64+-0.22 |
| Eu II | ... | <-2.86+-0.18 | <0.75+-0.18 | <-2.35+-0.18 |
: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)
Binarity
Basic Informations
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1998-08-14 | N/A | ANGLO | 42000 | N/A | N/A | 251.3+-1.05 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
Photometric data
| V : 12.73 | B-V : 0.81 | R-I : 0.544 |
BPS CS22885-096
Atmospheric data
| Teff : 5050 | log g : 1.9 | vturb : 1.9 |
Chemical Abundances
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|
| CH | ... | -3.06+-0.2 | 0.60+-0.20 | 5.49+-0.2 |
| Mg I | ... | -3.14+-0.08 | 0.52+-0.08 | 4.44+-0.08 |
| Al I | ... | -4.44+-0.21 | -0.78+-0.21 | 2.03+-0.21 |
| Si I | ... | -3.22+-0.19 | 0.44+-0.19 | 4.33+-0.19 |
| Ca I | ... | -3.38+-0.09 | 0.28+-0.09 | 2.98+-0.09 |
| Sc II | ... | -3.51+-0.16 | 0.15+-0.16 | -0.34+-0.16 |
| Ti I | ... | -3.45+-0.09 | 0.21+-0.09 | 1.57+-0.09 |
| Ti II | ... | -3.54+-0.15 | 0.12+-0.15 | 1.48+-0.15 |
| V II | ... | <-3.35+-0.19 | <0.31+-0.19 | <0.65+-0.19 |
| Cr I | ... | -4.25+-0.1 | -0.59+-0.10 | 1.42+-0.1 |
| Mn I | ... | -4.45+-0.1 | -0.79+-0.10 | 0.94+-0.1 |
| Fe I | ... | -3.66+-0.15 | ... | 3.84+-0.15 |
| Fe II | ... | -3.67+-0.23 | ... | 3.83+-0.23 |
| Co I | ... | -3.07+-0.11 | 0.59+-0.11 | 1.85+-0.11 |
| Ni I | ... | -3.48+-0.08 | 0.18+-0.08 | 2.77+-0.08 |
| Sr II | ... | -5.25+-0.15 | -1.59+-0.15 | -2.28+-0.15 |
| Y II | ... | <-4.20+-0.15 | <-0.54+-0.15 | <-1.96+-0.15 |
| Ba II | ... | -5.10+-0.21 | -1.44+-0.21 | -2.97+-0.21 |
| Eu II | ... | <-2.98+-0.18 | <0.68+-0.18 | <-2.47+-0.18 |
: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)
Binarity
Basic Informations
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1997-08-21 | N/A | ANGLO | 42000 | N/A | N/A | -251.0+-1.08 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
Photometric data
| V : 13.33 | B-V : 0.69 | R-I : 0.480 |
BPS CS22949-037
Atmospheric data
| Teff : 4900 | log g : 1.7 | vturb : 2.0 |
Chemical Abundances
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|
| CH | ... | -2.74+-0.2 | 1.05+-0.20 | 5.81+-0.2 |
| CN | ... | -1.09+-0.4 | 2.70+-0.40 | 6.88+-0.4 |
| Mg I | ... | -2.57+-0.14 | 1.22+-0.14 | 5.01+-0.14 |
| Al I | ... | -4.22+-0.32 | -0.43+-0.32 | 2.25+-0.32 |
| Si I | ... | -2.75+-0.3 | 1.04+-0.30 | 4.80+-0.3 |
| Ca I | ... | -3.34+-0.21 | 0.45+-0.21 | 3.02+-0.21 |
| Sc II | ... | -3.66+-0.2 | 0.13+-0.20 | -0.49+-0.2 |
| Ti I | ... | <-3.77+-0.04 | <0.02+-0.04 | <1.25+-0.04 |
| Ti II | ... | -3.44+-0.16 | 0.35+-0.16 | 1.58+-0.16 |
| V II | ... | <-3.14+-0.19 | <0.65+-0.19 | <0.86+-0.19 |
| Cr I | ... | -4.34+-0.17 | -0.55+-0.17 | 1.33+-0.17 |
| Mn I | ... | -4.71+-0.21 | -0.92+-0.21 | 0.68+-0.21 |
| Fe I | ... | -3.79+-0.16 | ... | 3.71+-0.16 |
| Fe II | ... | -3.79+-0.29 | ... | 3.71+-0.29 |
| Co I | ... | -3.21+-0.21 | 0.58+-0.21 | 1.71+-0.21 |
| Ni I | ... | -3.73+-0.15 | 0.06+-0.15 | 2.52+-0.15 |
| Sr II | ... | -3.69+-0.23 | 0.10+-0.23 | -0.72+-0.23 |
| Y II | ... | -3.60+-0.25 | 0.19+-0.25 | -1.36+-0.25 |
| Ba II | ... | -4.63+-0.32 | -0.84+-0.32 | -2.50+-0.32 |
| Eu II | ... | <-2.86+-0.18 | <0.93+-0.18 | <-2.35+-0.18 |
: Data presented in the paper
: Data converted with the solar abundance from Grevesse et al. (1996)
Binarity
Basic Informations
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2000-09-05 | N/A | ANGLO | 42000 | N/A | N/A | -125.7+-1.19 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
Photometric data
| V : 14.36 | B-V : 0.74 | V-R : 0.49 |